Stephen is shopping for a snowboard. the regular price is between $120 and $425. the store is running a special promotion where all snowboards are between 25% and 75% off the regular price. write a system of linear inequalities that represent the amount stephen could spend.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

The graph shows the amount of money noah earned based on the number of lawns he cut. which list shows the dependent quantities in the graph?